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Mingxi Zhang, Guangyan Qing, Chenling Xiong, Ran Cui, Dai-Wen Pang and Taolei Sun Dual-Responsive Gold Nanoparticles for Colorimetric Recognition and Testing of Carbohydrates with a Dispersion-Dominated Chromogenic Process Advanced Materials 25

Article first published online: 12 NOV 2012 | DOI: 10.1002/adma.201203289

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A dispersion-dominated colorimetric approach for the recognition of carbohydrates based on biomolecule-responsive AuNPs is presented. Taking advantage of the unique dual-responsiveness of smart copolymers, the aggregation and dispersion of AuNPs can be modulated by both temperature and different kinds of carbohydrates, giving rise to a novel chromogenic mechanism for the recognition and testing of carbohydrates in aqueous media.

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